OpenBSD-4.6/bin/ps/keyword.c
/* $OpenBSD: keyword.c,v 1.28 2008/03/08 19:20:12 millert Exp $ */
/* $NetBSD: keyword.c,v 1.12.6.1 1996/05/30 21:25:13 cgd Exp $ */
/*-
* Copyright (c) 1990, 1993, 1994
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef lint
#if 0
static char sccsid[] = "@(#)keyword.c 8.5 (Berkeley) 4/2/94";
#else
static char rcsid[] = "$OpenBSD: keyword.c,v 1.28 2008/03/08 19:20:12 millert Exp $";
#endif
#endif /* not lint */
#include <sys/param.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <sys/proc.h>
#include <err.h>
#include <errno.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "ps.h"
#include <sys/ucred.h>
#include <sys/sysctl.h>
static VAR *findvar(char *);
static int vcmp(const void *, const void *);
#ifdef NOTINUSE
int utime(), stime(), ixrss(), idrss(), isrss();
{{"utime"}, "UTIME", USER, utime, 4},
{{"stime"}, "STIME", USER, stime, 4},
{{"ixrss"}, "IXRSS", USER, ixrss, 4},
{{"idrss"}, "IDRSS", USER, idrss, 4},
{{"isrss"}, "ISRSS", USER, isrss, 4},
#endif
/* Compute offset in common structures. */
#define POFF(x) offsetof(struct kinfo_proc2, x)
#define UIDFMT "u"
#define UIDLEN 5
#define UID(n1, n2, fn, off) \
{ n1, n2, NULL, 0, fn, UIDLEN, 0, off, UINT32, UIDFMT }
#define GID(n1, n2, fn, off) UID(n1, n2, fn, off)
#define PIDFMT "d"
#define PIDLEN 5
#define PID(n1, n2, fn, off) \
{ n1, n2, NULL, 0, fn, PIDLEN, 0, off, INT32, PIDFMT }
#define USERLEN 8
/* Bit types must match their respective entries in struct kinfo_proc2 */
VAR var[] = {
{"%cpu", "%CPU", NULL, NLIST, pcpu, 4},
{"%mem", "%MEM", NULL, NLIST, pmem, 4},
{"acflag", "ACFLG", NULL, 0, pvar, 3, 0, POFF(p_acflag), UINT16, "x"},
{"acflg", "", "acflag"},
{"args", "", "command"},
{"blocked", "", "sigmask"},
{"caught", "", "sigcatch"},
{"comm", "", "ucomm"},
{"command", "COMMAND", NULL, COMM|LJUST|USER, command, 16},
{"cpu", "CPU", NULL, 0, pvar, 3, 0, POFF(p_estcpu), UINT32, "d"},
{"cpuid", "CPUID", NULL, 0, pvar, 8, 0, POFF(p_cpuid), UINT64, "lld"},
{"cputime", "", "time"},
{"dsiz", "DSIZ", NULL, 0, dsize, 4},
{"emul", "EMUL", NULL, LJUST, emulname, EMULNAMELEN},
{"etime", "", "start"},
{"f", "F", NULL, 0, pvar, 7, 0, POFF(p_flag), INT32, "x"},
{"flags", "", "f"},
GID("gid", "GID", pvar, POFF(p_gid)),
{"group", "GROUP", NULL, LJUST, gname, USERLEN},
{"ignored", "", "sigignore"},
{"inblk", "INBLK", NULL, USER, pvar, 4, 0, POFF(p_uru_inblock), UINT64, "lld"},
{"inblock", "", "inblk"},
{"jobc", "JOBC", NULL, 0, pvar, 4, 0, POFF(p_jobc), INT16, "d"},
{"ktrace", "KTRACE", NULL, 0, pvar, 8, 0, POFF(p_traceflag), INT32, "x"},
/* XXX */
{"ktracep", "KTRACEP", NULL, 0, pvar, 8, 0, POFF(p_tracep), UINT64, "llx"},
{"lim", "LIM", NULL, 0, maxrss, 5},
{"login", "LOGIN", NULL, LJUST, logname, MAXLOGNAME},
{"logname", "", "login"},
{"lstart", "STARTED", NULL, LJUST|USER, lstarted, 28},
{"majflt", "MAJFLT", NULL, USER, pvar, 4, 0, POFF(p_uru_majflt), UINT64, "lld"},
{"minflt", "MINFLT", NULL, USER, pvar, 4, 0, POFF(p_uru_minflt), UINT64, "lld"},
{"msgrcv", "MSGRCV", NULL, USER, pvar, 4, 0, POFF(p_uru_msgrcv), UINT64, "lld"},
{"msgsnd", "MSGSND", NULL, USER, pvar, 4, 0, POFF(p_uru_msgsnd), UINT64, "lld"},
{"ni", "", "nice"},
{"nice", "NI", NULL, 0, pnice, 3},
{"nivcsw", "NIVCSW", NULL, USER, pvar, 5, 0, POFF(p_uru_nivcsw), UINT64, "lld"},
{"nsignals", "", "nsigs"},
{"nsigs", "NSIGS", NULL, USER, pvar, 4, 0, POFF(p_uru_nsignals), UINT64, "lld"},
{"nswap", "NSWAP", NULL, USER, pvar, 4, 0, POFF(p_uru_nswap), UINT64, "lld"},
{"nvcsw", "NVCSW", NULL, USER, pvar, 5, 0, POFF(p_uru_nvcsw), UINT64, "lld"},
/* XXX */
{"nwchan", "WCHAN", NULL, 0, pvar, 7, 0, POFF(p_wchan), UINT64, "llx"},
{"oublk", "OUBLK", NULL, USER, pvar, 4, 0, POFF(p_uru_oublock), UINT64, "lld"},
{"oublock", "", "oublk"},
/* XXX */
{"p_ru", "P_RU", NULL, 0, pvar, 6, 0, POFF(p_ru), UINT64, "llx"},
/* XXX */
{"paddr", "PADDR", NULL, 0, pvar, 6, 0, POFF(p_paddr), UINT64, "llx"},
{"pagein", "PAGEIN", NULL, USER, pagein, 6},
{"pcpu", "", "%cpu"},
{"pending", "", "sig"},
PID("pgid", "PGID", pvar, POFF(p__pgid)),
PID("pid", "PID", pvar, POFF(p_pid)),
{"pmem", "", "%mem"},
PID("ppid", "PPID", pvar, POFF(p_ppid)),
{"pri", "PRI", NULL, 0, pri, 3},
{"re", "RE", NULL, INF127, pvar, 3, 0, POFF(p_swtime), UINT32, "u"},
GID("rgid", "RGID", pvar, POFF(p_rgid)),
/* XXX */
{"rgroup", "RGROUP", NULL, LJUST, rgname, USERLEN},
{"rlink", "RLINK", NULL, 0, pvar, 8, 0, POFF(p_back), UINT64, "llx"},
{"rss", "RSS", NULL, 0, p_rssize, 5},
{"rssize", "", "rsz"},
{"rsz", "RSZ", NULL, 0, rssize, 4},
UID("ruid", "RUID", pvar, POFF(p_ruid)),
{"ruser", "RUSER", NULL, LJUST, runame, USERLEN},
{"sess", "SESS", NULL, 0, pvar, PTRWIDTH, 0, POFF(p_sess), UINT64, "llx"},
{"sig", "PENDING", NULL, 0, pvar, 8, 0, POFF(p_siglist), INT32, "x"},
{"sigcatch", "CAUGHT", NULL, 0, pvar, 8, 0, POFF(p_sigcatch), UINT32, "x"},
{"sigignore", "IGNORED",
NULL, 0, pvar, 8, 0, POFF(p_sigignore), UINT32, "x"},
{"sigmask", "BLOCKED", NULL, 0, pvar, 8, 0, POFF(p_sigmask), UINT32, "x"},
{"sl", "SL", NULL, INF127, pvar, 3, 0, POFF(p_slptime), UINT32, "u"},
{"ssiz", "SSIZ", NULL, 0, ssize, 4},
{"start", "STARTED", NULL, LJUST|USER, started, 8},
{"stat", "", "state"},
{"state", "STAT", NULL, LJUST|NLIST, state, 5},
GID("svgid", "SVGID", pvar, POFF(p_svgid)),
UID("svuid", "SVUID", pvar, POFF(p_svuid)),
{"tdev", "TDEV", NULL, 0, tdev, 4},
{"time", "TIME", NULL, USER, cputime, 9},
PID("tpgid", "TPGID", pvar, POFF(p_tpgid)),
{"tsess", "TSESS", NULL, 0, pvar, PTRWIDTH, 0, POFF(p_tsess), UINT64, "llx"},
{"tsiz", "TSIZ", NULL, 0, tsize, 4},
{"tt", "TT", NULL, LJUST, tname, 3},
{"tty", "TTY", NULL, LJUST, longtname, 8},
{"ucomm", "UCOMM", NULL, LJUST, ucomm, MAXCOMLEN},
UID("uid", "UID", pvar, POFF(p_uid)),
{"upr", "UPR", NULL, 0, pvar, 3, 0, POFF(p_usrpri), UINT8, "d"},
{"user", "USER", NULL, LJUST, euname, USERLEN},
{"usrpri", "", "upr"},
{"vsize", "", "vsz"},
{"vsz", "VSZ", NULL, 0, vsize, 5},
{"wchan", "WCHAN", NULL, LJUST, wchan, 7},
{"xstat", "XSTAT", NULL, 0, pvar, 4, 0, POFF(p_xstat), UINT16, "x"},
{""},
};
void
showkey(void)
{
VAR *v;
int i;
char *p, *sep;
i = 0;
sep = "";
for (v = var; *(p = v->name); ++v) {
int len = strlen(p);
if (termwidth && (i += len + 1) > termwidth) {
i = len;
sep = "\n";
}
(void) printf("%s%s", sep, p);
sep = " ";
}
(void) printf("\n");
}
void
parsefmt(char *p)
{
static struct varent *vtail;
#define FMTSEP " \t,\n"
while (p && *p) {
char *cp;
VAR *v;
struct varent *vent;
while ((cp = strsep(&p, FMTSEP)) != NULL && *cp == '\0')
/* void */;
if (!cp)
break;
if (!(v = findvar(cp)) || v->parsed == 1)
continue;
v->parsed = 1;
if ((vent = malloc(sizeof(struct varent))) == NULL)
err(1, NULL);
vent->var = v;
vent->next = NULL;
if (vhead == NULL)
vhead = vtail = vent;
else {
vtail->next = vent;
vtail = vent;
}
}
if (!vhead)
errx(1, "no valid keywords");
}
static VAR *
findvar(char *p)
{
VAR *v, key;
char *hp;
int vcmp(const void *, const void *);
key.name = p;
hp = strchr(p, '=');
if (hp)
*hp++ = '\0';
key.name = p;
v = bsearch(&key, var, sizeof(var)/sizeof(VAR) - 1, sizeof(VAR), vcmp);
if (v && v->alias) {
if (hp) {
warnx("%s: illegal keyword specification", p);
eval = 1;
}
parsefmt(v->alias);
return (NULL);
}
if (!v) {
warnx("%s: keyword not found", p);
eval = 1;
return (NULL);
}
if (hp)
v->header = hp;
return (v);
}
static int
vcmp(const void *a, const void *b)
{
return (strcmp(((VAR *)a)->name, ((VAR *)b)->name));
}